#Data/Training

AIRadixArk links to an arXiv paper, identified as 2609.08368, in a post that gives no further detail. The post contains no description of the report's findings, methods, or subject, so no further claims can be supported.

AIMistral AI helped a European energy operator migrate 40,000 lines of Fortran 77 to C++ for a reservoir simulator with no test suite. The post explains a parity harness that checks numerical agreement between the two codebases, and a workflow where agents coder, tester, and reviewer migrate modules under human review. Its authors note the approach covered the self-contained first sprint of 40,000 of 300,000 lines and that dependent systems would bring additional challenges.

AIGoodfire used Ai2's open post-training stack, including the Dolci preference dataset, intermediate Olmo checkpoints, and OLMES evaluations, to trace a safety regression in Olmo. Preference training made Olmo more likely to comply with harmful requests on a refusal benchmark, and Goodfire linked part of this to specific Dolci examples where the preferred response encouraged compliance. Because Ai2 publishes the individual preferred and rejected responses, researchers could test targeted changes to reduce the regression.

AIJohn Schulman argues that training on user data carries very different privacy and IP risks depending on method. Pretraining on user tokens poses high regurgitation risk, while distillation from prompts and RL from user traces carry lower regurgitation risk but can still leak customer IP. He notes de-identification is weak because long traces can still identify users, and AI companies rarely disclose what they do.

AIMark Chen says no human or agent reviewed user data for the Navier-Stokes effort. He adds that OpenAI and other LLM companies do use user feedback and de-identified data to improve ChatGPT and Codex.

AIMagic says its new pretraining recipe matches DeepSeek V4 Pro's pretraining while using 50x less compute, roughly half the FLOPs used for GPT-3, or about $0.5M on GB200. The post, which congratulates the team, suggests that during recursive self-improvement, automated AI researchers may be less bottlenecked by compute than expected.

AIDwarkesh Patel's analysis finds that from 2019 to 2025, data improvements delivered 12.0x compute efficiency gains versus 3.7x for model improvements at the 1e19 FLOPs budget. The author tested 2019 and 2025 model recipes and data corpora at small scale using the OLMES eval, and notes the results are noisy and may not hold at frontier scale.

AIGoogle DeepMind has launched AlphaGenome Atlas, an AI-powered searchable database mapping the predicted impact of all 9 billion possible single-letter DNA changes. It runs in a regular web browser without coding and is free for academic researchers.

AIGoogle DeepMind has introduced AlphaGenome Atlas, a platform with predicted molecular effects for 9 billion single-nucleotide variants in the human genome. It is free for academic research through a web portal, and the AlphaGenome Variant Impact score condenses predictions from AlphaGenome and AlphaMissense into one number for ranking variants. The source says collaborators used it to identify variants in unsolved rare disease cases and to find rare non-coding variants linked to traits.

Why it matters: The source details how precomputed variant predictions, a single impact score, and linked feature attributions make genome-wide mutation effects searchable for researchers without coding skills.

AIGoogle DeepMind has released AlphaGenome Atlas, a web portal that predicts the regulatory effects of all 9 billion possible single-letter genetic changes in the human genome. The Atlas provides an AlphaGenome Variant Impact (AVI) score that combines coding and non-coding predictions to help researchers prioritize variants. The source says the portal requires no coding skills and is available to researchers and biologists worldwide.

Why it matters: The source details how the Atlas's AVI score is used in real rare disease and UK Biobank analyses, showing a practical route for prioritizing non-coding variants.

AIGoogle DeepMind has used AlphaGenome to predict the molecular impact of every possible single-letter change in the human genome, around nine billion variants. The resulting AlphaGenome Atlas is a 1PB dataset that assigns each variant an AlphaGenome Variant Impact (AVI) score, covering both coding and non-coding variations, and is available to researchers worldwide. The video notes that AlphaGenome has not been validated or approved for any clinical use.

Why it matters: The release supplies a precomputed impact score for every possible single-letter genome change, which lets researchers look up variants without running the model themselves.

AINVIDIA's NV-Reason-CT is a 3D vision-language model for CT image analysis that combines a native 3D vision encoder with a language model. It is designed for radiology report generation, question answering, and multi-step reasoning across chest and abdominal CT volumes. The model converts a 384×384×384-mm input into 13,824 visual tokens without spatial downsampling and is available on Hugging Face under the OpenMDW-1.1 License.

AIOpenBMB released JustRL-II-base-model, the pre-RL starting checkpoint for the JustRL II math-reasoning case study, scoring about 61% on AIME 2025 before reinforcement learning. The full JustRL II recipe reaches 81% on AIME 2025 in about 300 RL steps from this checkpoint, versus about 74% for a standard GRPO baseline. The Llama-architecture weights are available on Hugging Face and are intended for reproducing the recipe and research on long-CoT RL, not general assistant use.

AIMustafa Suleyman says the cost of inference for GPT-4-class intelligence has dropped 300x in three years. He argues few technologies in history have fallen in cost that quickly.

AIOpenBMB released UltraData-Code-L2-Classifier, a suite of language-specific file-level scorers for 11 programming languages in UltraData-Code-L1. The L2 corpus selected with these scorers contains approximately 400B tokens and retains about 12.23% of L1 files, and a 10B-token test on a 1B model raised EvalPlus pass@1 by 7.80 points over L1 training.

AITinker has published a cookbook recipe for fine-tuning a model to predict event probabilities from reference information. The recipe starts with a dataset from ProphetArena and can be adapted to custom data, with code available on GitHub.

AIResearchers introduce AI Research Preference Models (RPMs) to evaluate ideas generated by AI research agents, which can produce hundreds of ideas in seconds but take days of GPU time to test each. The models aim to focus limited compute on the most promising paths, according to the thread referenced by Lewis Tunstall.

AITencent has open-sourced EVIE-8B, an 8.4B-parameter visual document retriever that scores 66.75 nDCG@10 on ViDoRe V3 and ranks first on that leaderboard's mean task score of 66.24. The model uses 4096D per-token multi-vector embeddings with MaxSim late-interaction scoring and bidirectional attention, and it serves as the teacher for the lightweight EVIE-4.5B model. Model weights, inference pipelines, and evaluation suites are available, while the formal research paper is promised for a future release.

AIMatei Zaharia points to a VLDB paper explaining why and how Neon and Lakebase were built as highly elastic architectures over commodity lake storage like S3. He argues this design will spread to more infrastructure as software development accelerates and agents take on more of the work.

AIRadixArk says Miles makes frontier post-training simple to use, easy to extend, and accessible to every team. The company is open-sourcing the project on GitHub as an RL-as-a-service tool for post-training.

AIRobot startups are racing to collect training data, from companies paying cleaners to wear cameras to firms recording VR-controlled humanoid robots. The article says the largest openly available robot task dataset, ABC-130K, contains only 3,500 hours of demonstrations. Skild CEO Deepak Pathak argues companies must gather high-quality data before robots can do enough useful work to generate it through deployment.

AIRadixArk published a blog post on post-training with Miles aimed at understanding and generating the multimodal world. The post's main text is only a link, so no further technical details, figures, or benchmarks can be confirmed from the source.

AIGoogle DeepMind and Google Research introduced WeatherNext 3, which generates hourly global forecasts at up to 5-kilometer resolution using live geostationary satellite data. The company reports that precipitation forecasts improved by up to 60% against IMERG in medium-range evaluations, and that longer-range precipitation forecasts are up to 50% more accurate. The model is now available across Search, Gemini, Google Maps, Google Maps Platform Weather API, Google Earth Engine, BigQuery, and Google Cloud Storage.

Why it matters: The post explains how training on live satellite data and station observations changes resolution and update frequency, with precipitation accuracy gains reported against named baselines.

AIGoogle DeepMind introduced WeatherNext 3, a weather forecasting model that learns directly from satellite feeds and ground-level weather station data. It produces a fresh forecast every hour, compared with the six-hour refresh typical of traditional models, with native 5km resolution for temperature and humidity. It is available through Google Search, Gemini, Google Maps and more.

Why it matters: The source shows a shift from six-hourly to hourly refresh and 5km local resolution, which matters for energy planning and local forecasting.

AIPrime Intellect reports that rebuilding RL weight transfer for GLM-5.2 on NIXL and ModelExpress cut sync time from 86.1 seconds with NCCL to 3.9 seconds in its fastest setting. The method traces vLLM's loader to find each tensor's runtime layout, then reads only the needed source bytes over RDMA and replays the rest locally. Most remaining latency comes from vLLM's pause consensus, which the team reduced by syncing every wave instead of every 32.

AILightning Rod, working with Philip Tetlock and Ville Satopää, post-trained five versions of the same LLM that differed only in the scoring rule used as the RL reward. The versions reached similar aggregate scores but had very different bias, information, and noise (BIN) profiles, so a good Brier score alone does not show whether a forecaster can distinguish likely from unlikely events.